diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4757-drm-amd-display-Apply-clock-for-voltage-request.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4757-drm-amd-display-Apply-clock-for-voltage-request.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4757-drm-amd-display-Apply-clock-for-voltage-request.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4757-drm-amd-display-Apply-clock-for-voltage-request.patch new file mode 100644 index 00000000..517d0723 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4757-drm-amd-display-Apply-clock-for-voltage-request.patch @@ -0,0 +1,61 @@ +From 395728c607e2bbac32ef84d89705716133c4fb50 Mon Sep 17 00:00:00 2001 +From: Mikita Lipski <mikita.lipski@amd.com> +Date: Mon, 9 Apr 2018 13:40:00 -0400 +Subject: [PATCH 4757/5725] drm/amd/display: Apply clock for voltage request + +Translate dm_pp tructure to pp type +Call PP lib to apply clock voltage request for display + +Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <harry.wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + .../drm/amd/display/amdgpu_dm/amdgpu_dm_services.c | 31 ++++++++++++++++++++-- + 1 file changed, 29 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c +index 9e923a4..985e69e 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c +@@ -375,8 +375,35 @@ bool dm_pp_apply_clock_for_voltage_request( + const struct dc_context *ctx, + struct dm_pp_clock_for_voltage_req *clock_for_voltage_req) + { +- /* TODO: to be implemented */ +- return false; ++ struct amdgpu_device *adev = ctx->driver_context; ++ struct pp_display_clock_request *pp_clock_request = {0}; ++ int ret = 0; ++ switch (clock_for_voltage_req->clk_type) { ++ case DM_PP_CLOCK_TYPE_DISPLAY_CLK: ++ pp_clock_request->clock_type = amd_pp_disp_clock; ++ break; ++ ++ case DM_PP_CLOCK_TYPE_DCEFCLK: ++ pp_clock_request->clock_type = amd_pp_dcef_clock; ++ break; ++ ++ case DM_PP_CLOCK_TYPE_PIXELCLK: ++ pp_clock_request->clock_type = amd_pp_pixel_clock; ++ break; ++ ++ default: ++ return false; ++ } ++ ++ pp_clock_request->clock_freq_in_khz = clock_for_voltage_req->clocks_in_khz; ++ ++ if (adev->powerplay.pp_funcs->display_clock_voltage_request) ++ ret = adev->powerplay.pp_funcs->display_clock_voltage_request( ++ adev->powerplay.pp_handle, ++ pp_clock_request); ++ if (ret) ++ return false; ++ return true; + } + + bool dm_pp_get_static_clocks( +-- +2.7.4 + |